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Side-by-side financial comparison of CIENA CORP (CIEN) and DANA Inc (DAN). Click either name above to swap in a different company.

DANA Inc is the larger business by last-quarter revenue ($1.3B vs $1.2B, roughly 1.1× CIENA CORP). CIENA CORP runs the higher net margin — 4.1% vs -3.9%, a 8.0% gap on every dollar of revenue. DANA Inc produced more free cash flow last quarter ($345.0M vs $134.6M). Over the past eight quarters, CIENA CORP's revenue compounded faster (3.9% CAGR vs -31.2%).

Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company has been described as a vital player in optical connectivity. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025. Gary Smith serves as president and chief executive officer (CEO).

Dana Incorporated is an American supplier of axles, driveshafts, and electrodynamic, thermal, sealing, and digital equipment for conventional, hybrid, and electric-powered vehicles. The company's products and services are aimed at the light vehicle and commercial vehicle equipment markets. Founded in 1904 and based in Maumee, Ohio, the company employs nearly 28,000 people in 33 countries. In 2022, Dana generated sales of $10.2 billion. The company is included in the Fortune 500.

CIEN vs DAN — Head-to-Head

Bigger by revenue
DAN
DAN
1.1× larger
DAN
$1.3B
$1.2B
CIEN
Higher net margin
CIEN
CIEN
8.0% more per $
CIEN
4.1%
-3.9%
DAN
More free cash flow
DAN
DAN
$210.4M more FCF
DAN
$345.0M
$134.6M
CIEN
Faster 2-yr revenue CAGR
CIEN
CIEN
Annualised
CIEN
3.9%
-31.2%
DAN

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
CIEN
CIEN
DAN
DAN
Revenue
$1.2B
$1.3B
Net Profit
$50.3M
$-50.0M
Gross Margin
41.3%
6.0%
Operating Margin
6.0%
-0.2%
Net Margin
4.1%
-3.9%
Revenue YoY
-44.5%
Net Profit YoY
37.5%
EPS (diluted)
$0.35
$-0.36

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CIEN
CIEN
DAN
DAN
Q4 25
$1.3B
Q3 25
$1.2B
$1.9B
Q2 25
$1.1B
$1.9B
Q1 25
$1.1B
$2.4B
Q4 24
$1.1B
$2.3B
Q3 24
$942.3M
$2.5B
Q2 24
$910.8M
$2.7B
Q1 24
$1.0B
$2.7B
Net Profit
CIEN
CIEN
DAN
DAN
Q4 25
$-50.0M
Q3 25
$50.3M
$83.0M
Q2 25
$9.0M
$27.0M
Q1 25
$44.6M
$25.0M
Q4 24
$37.0M
$-80.0M
Q3 24
$14.2M
$4.0M
Q2 24
$-16.8M
$16.0M
Q1 24
$49.5M
$3.0M
Gross Margin
CIEN
CIEN
DAN
DAN
Q4 25
6.0%
Q3 25
41.3%
8.7%
Q2 25
40.2%
7.1%
Q1 25
44.0%
9.4%
Q4 24
40.9%
5.7%
Q3 24
42.9%
9.9%
Q2 24
42.7%
9.3%
Q1 24
45.0%
8.9%
Operating Margin
CIEN
CIEN
DAN
DAN
Q4 25
-0.2%
Q3 25
6.0%
2.8%
Q2 25
2.9%
0.8%
Q1 25
7.5%
3.1%
Q4 24
5.3%
-1.5%
Q3 24
2.8%
3.6%
Q2 24
-0.4%
3.8%
Q1 24
8.2%
2.6%
Net Margin
CIEN
CIEN
DAN
DAN
Q4 25
-3.9%
Q3 25
4.1%
4.3%
Q2 25
0.8%
1.4%
Q1 25
4.2%
1.1%
Q4 24
3.3%
-3.4%
Q3 24
1.5%
0.2%
Q2 24
-1.8%
0.6%
Q1 24
4.8%
0.1%
EPS (diluted)
CIEN
CIEN
DAN
DAN
Q4 25
$-0.36
Q3 25
$0.35
$0.64
Q2 25
$0.06
$0.19
Q1 25
$0.31
$0.17
Q4 24
$0.26
$-0.55
Q3 24
$0.10
$0.03
Q2 24
$-0.12
$0.11
Q1 24
$0.34
$0.02

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CIEN
CIEN
DAN
DAN
Cash + ST InvestmentsLiquidity on hand
$1.3B
$469.0M
Total DebtLower is stronger
$2.6B
Stockholders' EquityBook value
$2.8B
$840.0M
Total Assets
$5.7B
$7.8B
Debt / EquityLower = less leverage
3.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIEN
CIEN
DAN
DAN
Q4 25
$469.0M
Q3 25
$1.3B
$414.0M
Q2 25
$1.3B
$486.0M
Q1 25
$1.2B
$507.0M
Q4 24
$1.3B
$494.0M
Q3 24
$1.1B
$419.0M
Q2 24
$1.3B
$419.0M
Q1 24
$1.4B
$351.0M
Total Debt
CIEN
CIEN
DAN
DAN
Q4 25
$2.6B
Q3 25
$2.6B
Q2 25
$2.6B
Q1 25
$2.4B
Q4 24
$2.4B
Q3 24
$2.4B
Q2 24
$2.4B
Q1 24
$2.6B
Stockholders' Equity
CIEN
CIEN
DAN
DAN
Q4 25
$840.0M
Q3 25
$2.8B
$1.1B
Q2 25
$2.8B
$1.2B
Q1 25
$2.8B
$1.4B
Q4 24
$2.8B
$1.3B
Q3 24
$2.9B
$1.5B
Q2 24
$2.9B
$1.5B
Q1 24
$2.9B
$1.5B
Total Assets
CIEN
CIEN
DAN
DAN
Q4 25
$7.8B
Q3 25
$5.7B
$8.1B
Q2 25
$5.7B
$8.1B
Q1 25
$5.6B
$7.8B
Q4 24
$5.6B
$7.5B
Q3 24
$5.6B
$7.9B
Q2 24
$5.6B
$7.8B
Q1 24
$5.6B
$7.9B
Debt / Equity
CIEN
CIEN
DAN
DAN
Q4 25
3.05×
Q3 25
2.35×
Q2 25
2.13×
Q1 25
1.76×
Q4 24
1.79×
Q3 24
1.65×
Q2 24
1.62×
Q1 24
1.68×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CIEN
CIEN
DAN
DAN
Operating Cash FlowLast quarter
$174.3M
$406.0M
Free Cash FlowOCF − Capex
$134.6M
$345.0M
FCF MarginFCF / Revenue
11.0%
26.6%
Capex IntensityCapex / Revenue
3.3%
4.7%
Cash ConversionOCF / Net Profit
3.47×
TTM Free Cash FlowTrailing 4 quarters
$605.5M
$298.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIEN
CIEN
DAN
DAN
Q4 25
$406.0M
Q3 25
$174.3M
$111.0M
Q2 25
$156.9M
$32.0M
Q1 25
$103.7M
$-37.0M
Q4 24
$349.4M
$302.0M
Q3 24
$-159.4M
$35.0M
Q2 24
$58.5M
$215.0M
Q1 24
$266.1M
$-102.0M
Free Cash Flow
CIEN
CIEN
DAN
DAN
Q4 25
$345.0M
Q3 25
$134.6M
$62.0M
Q2 25
$128.2M
$3.0M
Q1 25
$76.8M
$-112.0M
Q4 24
$265.8M
$149.0M
Q3 24
$-179.0M
$-11.0M
Q2 24
$41.6M
$104.0M
Q1 24
$249.5M
$-172.0M
FCF Margin
CIEN
CIEN
DAN
DAN
Q4 25
26.6%
Q3 25
11.0%
3.2%
Q2 25
11.4%
0.2%
Q1 25
7.2%
-4.8%
Q4 24
23.6%
6.4%
Q3 24
-19.0%
-0.4%
Q2 24
4.6%
3.8%
Q1 24
24.0%
-6.3%
Capex Intensity
CIEN
CIEN
DAN
DAN
Q4 25
4.7%
Q3 25
3.3%
2.6%
Q2 25
2.6%
1.5%
Q1 25
2.5%
3.2%
Q4 24
7.4%
6.6%
Q3 24
2.1%
1.9%
Q2 24
1.9%
4.1%
Q1 24
1.6%
2.6%
Cash Conversion
CIEN
CIEN
DAN
DAN
Q4 25
Q3 25
3.47×
1.34×
Q2 25
17.50×
1.19×
Q1 25
2.33×
-1.48×
Q4 24
9.44×
Q3 24
-11.20×
8.75×
Q2 24
13.44×
Q1 24
5.37×
-34.00×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CIEN
CIEN

Optical Networking$815.5M67%
Routing And Switching$125.9M10%
Platform Softwareand Services Segment$90.0M7%
Maintenance Support And Training$80.7M7%
Installation And Deployment$65.9M5%
Blue Planet Automation Softwareand Services Segment$27.8M2%
Consulting And Network Design$13.6M1%

DAN
DAN

Light Vehicle Segment$912.0M70%
Commercial Vehicle Segment$218.0M17%
Other$166.0M13%

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